Question

Two equal sides of an isoscles triangle are each 2cm more than thrice the thied side the perimeter of triangle is 67cm, find the lengths of its sides

Answer 1

let third side be x,equal sides are3x+2 & 3x+2,
perimeter=67=x+3x+2+3x+2
7x=63
x=9cm----third side,equal sides are29cm,29cm